diff --git a/server/web/Flask_server.py b/server/web/Flask_server.py
index 8a1d0bb..d9eca8f 100755
--- a/server/web/Flask_server.py
+++ b/server/web/Flask_server.py
@@ -26,6 +26,8 @@ port_redis_stream = 6379
 default_max_entries_by_stream = 10000
 analyzer_list_max_default_size = 10000
 
+default_analyzer_max_line_len = 3000
+
 json_type_description_path = os.path.join(os.environ['D4_HOME'], 'web/static/json/type.json')
 
 redis_server_stream = redis.StrictRedis(
@@ -233,6 +235,7 @@ def server_management():
         list_accepted_types.append({"id": int(type), "description": description, 'list_analyzer_uuid': list_analyzer_uuid})
 
     return render_template("server_management.html", list_accepted_types=list_accepted_types,
+                            default_analyzer_max_line_len=default_analyzer_max_line_len,
                             blacklisted_ip=blacklisted_ip, unblacklisted_ip=unblacklisted_ip,
                             blacklisted_uuid=blacklisted_uuid, unblacklisted_uuid=unblacklisted_uuid)
 
@@ -585,14 +588,24 @@ def whois_data():
 def get_analyser_sample():
     type = request.args.get('type')
     analyzer_uuid = request.args.get('analyzer_uuid')
-    max_line_len = 3000
+    max_line_len = request.args.get('max_line_len')
+    # get max_line_len
+    if max_line_len is not None and max_line_len!= 'undefined':
+        try:
+            max_line_len = int(max_line_len)
+        except:
+            max_line_len = default_analyzer_max_line_len
+        if max_line_len < 1:
+            max_line_len = default_analyzer_max_line_len
+    else:
+        max_line_len = default_analyzer_max_line_len
     if is_valid_uuid_v4(analyzer_uuid):
         list_queue = redis_server_analyzer.lrange('analyzer:{}:{}'.format(type, analyzer_uuid), 0 ,10)
         list_queue_res = []
         for res in list_queue:
             #limit line len
             if len(res) > max_line_len:
-                res = res[:1000]
+                res = '{} [...]'.format(res[:max_line_len])
             list_queue_res.append('{}\n'.format(res))
         return jsonify(''.join(list_queue_res))
     else:
diff --git a/server/web/templates/server_management.html b/server/web/templates/server_management.html
index b0b34b2..5a7612f 100644
--- a/server/web/templates/server_management.html
+++ b/server/web/templates/server_management.html
@@ -270,6 +270,12 @@
 					</pre>
 	      </div>
 	      <div class="modal-footer">
+					<div class="d-sm-flex align-self-sm-start mr-auto">
+						<input class="form-control w-25 mr-sm-2" type="number" id="max_line_len" value="{{default_analyzer_max_line_len}}" min="1" max="10000">
+						<button type="button" class="btn btn-primary" onclick="change_analyser_sample_max_len();">
+							Change Line Size
+						</button>
+					</div>
 	        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
 	      </div>
 	    </div>
@@ -302,11 +308,16 @@ $(document).ready(function(){
 });
 
 
-function get_analyser_sample(type, analyzer_uuid){
-	$.getJSON( "{{url_for('get_analyser_sample')}}?type="+type+"&analyzer_uuid="+analyzer_uuid, function( data ) {
+function get_analyser_sample(type, analyzer_uuid, max_line_len){
+	$.getJSON( "{{url_for('get_analyser_sample')}}?type="+type+"&analyzer_uuid="+analyzer_uuid+"&max_line_len="+max_line_len, function( data ) {
 		$( "#modal_analyser_sample_label" ).text("analyzer:"+type+":"+analyzer_uuid);
 		$( "#analyzer_content" ).text(data);
 		$( "#modal_analyser_sample" ).modal('show');
 	});
 }
+
+function change_analyser_sample_max_len(){
+	var analyzer_data_info=$('#modal_analyser_sample_label').text().split(":");
+	get_analyser_sample(analyzer_data_info[1], analyzer_data_info[2], $('#max_line_len').val());
+}
 </script>